March 01, 2015, 2:55PM

While the killing of Boris Nemtsov has shaken the Russian opposition, which sees the Kremlin as responsible, it is unclear whether his death will be enough to invigorate the beleaguered movement. Despite the Ukraine conflict and Russia's economic crisis, support for President Vladimir Putin has been above 80 percent in the past year. Full story »

February 28, 2015, 9:14PM

Russian investigators, politicians and political commentators on state television on Saturday covered much ground in looking for the reason Nemtsov was gunned down in the heart of Moscow, but they sidestepped one possibility -- that he was murdered for his relentless opposition to Putin. Full story »

February 27, 2015, 4:19PM

Russian police investigate the the body of Boris Nemtsov, a former Russian deputy prime minister and opposition leader at Red Square with St. Basil Cathidral in the background in Moscow, Russia, Saturday, Feb. 28, 2015. Russia's Interior Ministry says Boris Nemtsov, a leading opposition figure and former deputy prime minister, has been shot and killed near the Kremlin. Nemtsov, a...

February 27, 2015, 4:19PM

In this file photo taken on Sunday, May 6, 2012, Opposition leader Boris Nemtsov uses a loud speaker during an opposition rally in downtown Moscow, Russia. Russia's Interior Ministry says Boris Nemtsov, a leading opposition figure and former deputy prime minister, has been shot and killed near the Kremlin. Nemtsov, a sharp critic of President Vladimir Putin, was killed early...

February 27, 2015, 4:19PM

Opposition leaders Boris Nemtsov, center, and Mikhail Kasyanov, left, take part in a protest demonstration in Moscow, Saturday, Sept. 15, 2012. Tens of thousands marched Saturday across downtown Moscow in the first major protest in three months against President Vladimir Putin, defying the Kremlin's efforts to muzzle dissent. Leftists, liberals and nationalists mixed up with students, teachers, gay activists and...

February 27, 2015, 4:19PM

Opposition leader Boris Nemtsov speaks as he present his new book about the wealth of Vladimir Putin at a news conference in Moscow, Tuesday Aug. 28, 2012. The Russian opposition leader claims that President Vladimir Putin is using billions of taxpayersi rubles on 20 luxurious residences, dozens of jets, four yachts and a collection of exquisite wristwatches. The book is...

February 27, 2015, 4:19PM

From left: Mikhail Kasyanov, and Boris Nemtsov seen during a news conference in Moscow, Monday, March 28, 2011. Ex-Prime Minister Mikhail Kasyanov, Boris Nemtsov, a former deputy premier, and two other opposition figures on Monday presented their report on alleged corruption under Putin's rule. Russian opposition figures have alleged that corruption in Russia has worsened under Prime Minister Vladimir Putin...

February 27, 2015, 4:19PM

Opposition politician Boris Nemtsov speaks at a rally in Moscow, Wednesday, Sept. 30, 2009. Nemtsov accused Moscow Mayor Yuri Luzhkov of corruption and called on city residents to boycott elections to the City Council. (AP Photo/Alexander Zemlianichenko)

February 27, 2015, 4:19PM

Opposition leaders Boris Nemtsov speaks to the media in Moscow on Monday, Jan. 17, 2011, after he and other opposition leaders were released from detention. Former Deputy Prime Minister Boris Nemtsov, Konstantin Kosyakin, Ilya Yashin and Eduard Limonov were detained Dec. 31, 2010, after they attended an anti government rally and called for Russian Prime Minister Vladimir Putin to leave...